Home / 97,572.61-134,648.45-55,130.23

Finding the Fourth Proportional to 97,572.61, 134,648.45 and 55,130.23

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Solution

The fourth proportional to 97,572.61, 134,648.45 and 55,130.23 is: 76,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,572.61 : 134,648.45 = 55,130.23 : x
  2. Step 2: Convert to fraction form
    97,572.61/134,648.45 = 55,130.23/x
  3. Step 3: Cross multiply
    97,572.61x = 134,648.45 × 55,130.23
  4. Step 4: Simplify right side
    97,572.61x = 7,423,199,405.37
  5. Step 5: Solve for x
    x = 7,423,199,405.37/97,572.61
  6. Step 6: Final answer
    x = 76,078.72

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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.