Home / 104,925.40-157,436.70-55,061.80

Finding the Fourth Proportional to 104,925.40, 157,436.70 and 55,061.80

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Solution

The fourth proportional to 104,925.40, 157,436.70 and 55,061.80 is: 82,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,925.40 : 157,436.70 = 55,061.80 : x
  2. Step 2: Convert to fraction form
    104,925.40/157,436.70 = 55,061.80/x
  3. Step 3: Cross multiply
    104,925.40x = 157,436.70 × 55,061.80
  4. Step 4: Simplify right side
    104,925.40x = 8,668,748,088.06
  5. Step 5: Solve for x
    x = 8,668,748,088.06/104,925.40
  6. Step 6: Final answer
    x = 82,618.20

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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.