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Finding the Fourth Proportional to 97,458.76, 134,493.12 and 52,746.76

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Solution

The fourth proportional to 97,458.76, 134,493.12 and 52,746.76 is: 72,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,458.76 : 134,493.12 = 52,746.76 : x
  2. Step 2: Convert to fraction form
    97,458.76/134,493.12 = 52,746.76/x
  3. Step 3: Cross multiply
    97,458.76x = 134,493.12 × 52,746.76
  4. Step 4: Simplify right side
    97,458.76x = 7,094,076,322.29
  5. Step 5: Solve for x
    x = 7,094,076,322.29/97,458.76
  6. Step 6: Final answer
    x = 72,790.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.