Home / 70,570.08-97,385.76-40,360.32

Finding the Fourth Proportional to 70,570.08, 97,385.76 and 40,360.32

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Solution

The fourth proportional to 70,570.08, 97,385.76 and 40,360.32 is: 55,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,570.08 : 97,385.76 = 40,360.32 : x
  2. Step 2: Convert to fraction form
    70,570.08/97,385.76 = 40,360.32/x
  3. Step 3: Cross multiply
    70,570.08x = 97,385.76 × 40,360.32
  4. Step 4: Simplify right side
    70,570.08x = 3,930,520,437.04
  5. Step 5: Solve for x
    x = 3,930,520,437.04/70,570.08
  6. Step 6: Final answer
    x = 55,696.70

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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.