Home / 98,772.50-136,307.01-54,061.46

Finding the Fourth Proportional to 98,772.50, 136,307.01 and 54,061.46

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Solution

The fourth proportional to 98,772.50, 136,307.01 and 54,061.46 is: 74,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.50 : 136,307.01 = 54,061.46 : x
  2. Step 2: Convert to fraction form
    98,772.50/136,307.01 = 54,061.46/x
  3. Step 3: Cross multiply
    98,772.50x = 136,307.01 × 54,061.46
  4. Step 4: Simplify right side
    98,772.50x = 7,368,955,968.83
  5. Step 5: Solve for x
    x = 7,368,955,968.83/98,772.50
  6. Step 6: Final answer
    x = 74,605.34

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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.