Home / 91,047.63-136,641.62-59,449.13

Finding the Fourth Proportional to 91,047.63, 136,641.62 and 59,449.13

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Solution

The fourth proportional to 91,047.63, 136,641.62 and 59,449.13 is: 89,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.63 : 136,641.62 = 59,449.13 : x
  2. Step 2: Convert to fraction form
    91,047.63/136,641.62 = 59,449.13/x
  3. Step 3: Cross multiply
    91,047.63x = 136,641.62 × 59,449.13
  4. Step 4: Simplify right side
    91,047.63x = 8,123,225,430.79
  5. Step 5: Solve for x
    x = 8,123,225,430.79/91,047.63
  6. Step 6: Final answer
    x = 89,219.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.