Home / 99,547.74-137,376.07-59,262.90

Finding the Fourth Proportional to 99,547.74, 137,376.07 and 59,262.90

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Solution

The fourth proportional to 99,547.74, 137,376.07 and 59,262.90 is: 81,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547.74 : 137,376.07 = 59,262.90 : x
  2. Step 2: Convert to fraction form
    99,547.74/137,376.07 = 59,262.90/x
  3. Step 3: Cross multiply
    99,547.74x = 137,376.07 × 59,262.90
  4. Step 4: Simplify right side
    99,547.74x = 8,141,303,635.49
  5. Step 5: Solve for x
    x = 8,141,303,635.49/99,547.74
  6. Step 6: Final answer
    x = 81,782.91

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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.