Home / 98,585.02-147,948.81-39,437.20

Finding the Fourth Proportional to 98,585.02, 147,948.81 and 39,437.20

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Solution

The fourth proportional to 98,585.02, 147,948.81 and 39,437.20 is: 59,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,585.02 : 147,948.81 = 39,437.20 : x
  2. Step 2: Convert to fraction form
    98,585.02/147,948.81 = 39,437.20/x
  3. Step 3: Cross multiply
    98,585.02x = 147,948.81 × 39,437.20
  4. Step 4: Simplify right side
    98,585.02x = 5,834,686,809.73
  5. Step 5: Solve for x
    x = 5,834,686,809.73/98,585.02
  6. Step 6: Final answer
    x = 59,184.31

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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.