Home / 72,587.68-100,161.71-42,366.07

Finding the Fourth Proportional to 72,587.68, 100,161.71 and 42,366.07

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Solution

The fourth proportional to 72,587.68, 100,161.71 and 42,366.07 is: 58,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,587.68 : 100,161.71 = 42,366.07 : x
  2. Step 2: Convert to fraction form
    72,587.68/100,161.71 = 42,366.07/x
  3. Step 3: Cross multiply
    72,587.68x = 100,161.71 × 42,366.07
  4. Step 4: Simplify right side
    72,587.68x = 4,243,457,554.95
  5. Step 5: Solve for x
    x = 4,243,457,554.95/72,587.68
  6. Step 6: Final answer
    x = 58,459.75

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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.