Home / 99,632.30-137,493.18-59,347.76

Finding the Fourth Proportional to 99,632.30, 137,493.18 and 59,347.76

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Solution

The fourth proportional to 99,632.30, 137,493.18 and 59,347.76 is: 81,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632.30 : 137,493.18 = 59,347.76 : x
  2. Step 2: Convert to fraction form
    99,632.30/137,493.18 = 59,347.76/x
  3. Step 3: Cross multiply
    99,632.30x = 137,493.18 × 59,347.76
  4. Step 4: Simplify right side
    99,632.30x = 8,159,911,560.81
  5. Step 5: Solve for x
    x = 8,159,911,560.81/99,632.30
  6. Step 6: Final answer
    x = 81,900.27

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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.