Home / 92,851.27-128,142.68-52,572.13

Finding the Fourth Proportional to 92,851.27, 128,142.68 and 52,572.13

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Solution

The fourth proportional to 92,851.27, 128,142.68 and 52,572.13 is: 72,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.27 : 128,142.68 = 52,572.13 : x
  2. Step 2: Convert to fraction form
    92,851.27/128,142.68 = 52,572.13/x
  3. Step 3: Cross multiply
    92,851.27x = 128,142.68 × 52,572.13
  4. Step 4: Simplify right side
    92,851.27x = 6,736,733,631.51
  5. Step 5: Solve for x
    x = 6,736,733,631.51/92,851.27
  6. Step 6: Final answer
    x = 72,554.03

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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.