Home / 72,862.68-100,539.36-41,030.76

Finding the Fourth Proportional to 72,862.68, 100,539.36 and 41,030.76

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Solution

The fourth proportional to 72,862.68, 100,539.36 and 41,030.76 is: 56,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,862.68 : 100,539.36 = 41,030.76 : x
  2. Step 2: Convert to fraction form
    72,862.68/100,539.36 = 41,030.76/x
  3. Step 3: Cross multiply
    72,862.68x = 100,539.36 × 41,030.76
  4. Step 4: Simplify right side
    72,862.68x = 4,125,206,350.71
  5. Step 5: Solve for x
    x = 4,125,206,350.71/72,862.68
  6. Step 6: Final answer
    x = 56,616.18

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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.