Home / 99,935.74-137,913.02-59,641.68

Finding the Fourth Proportional to 99,935.74, 137,913.02 and 59,641.68

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Solution

The fourth proportional to 99,935.74, 137,913.02 and 59,641.68 is: 82,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.74 : 137,913.02 = 59,641.68 : x
  2. Step 2: Convert to fraction form
    99,935.74/137,913.02 = 59,641.68/x
  3. Step 3: Cross multiply
    99,935.74x = 137,913.02 × 59,641.68
  4. Step 4: Simplify right side
    99,935.74x = 8,225,364,206.67
  5. Step 5: Solve for x
    x = 8,225,364,206.67/99,935.74
  6. Step 6: Final answer
    x = 82,306.53

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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.