Home / 72,547.28-100,125.04-40,717.94

Finding the Fourth Proportional to 72,547.28, 100,125.04 and 40,717.94

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Solution

The fourth proportional to 72,547.28, 100,125.04 and 40,717.94 is: 56,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,547.28 : 100,125.04 = 40,717.94 : x
  2. Step 2: Convert to fraction form
    72,547.28/100,125.04 = 40,717.94/x
  3. Step 3: Cross multiply
    72,547.28x = 100,125.04 × 40,717.94
  4. Step 4: Simplify right side
    72,547.28x = 4,076,885,371.22
  5. Step 5: Solve for x
    x = 4,076,885,371.22/72,547.28
  6. Step 6: Final answer
    x = 56,196.25

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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.