Home / 107,246.16-147,984.84-71,459.28

Finding the Fourth Proportional to 107,246.16, 147,984.84 and 71,459.28

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Solution

The fourth proportional to 107,246.16, 147,984.84 and 71,459.28 is: 98,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,246.16 : 147,984.84 = 71,459.28 : x
  2. Step 2: Convert to fraction form
    107,246.16/147,984.84 = 71,459.28/x
  3. Step 3: Cross multiply
    107,246.16x = 147,984.84 × 71,459.28
  4. Step 4: Simplify right side
    107,246.16x = 10,574,890,117.32
  5. Step 5: Solve for x
    x = 10,574,890,117.32/107,246.16
  6. Step 6: Final answer
    x = 98,603.90

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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.