Home / 98,041.02-147,047.66-31,472.40

Finding the Fourth Proportional to 98,041.02, 147,047.66 and 31,472.40

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Solution

The fourth proportional to 98,041.02, 147,047.66 and 31,472.40 is: 47,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,041.02 : 147,047.66 = 31,472.40 : x
  2. Step 2: Convert to fraction form
    98,041.02/147,047.66 = 31,472.40/x
  3. Step 3: Cross multiply
    98,041.02x = 147,047.66 × 31,472.40
  4. Step 4: Simplify right side
    98,041.02x = 4,627,942,774.58
  5. Step 5: Solve for x
    x = 4,627,942,774.58/98,041.02
  6. Step 6: Final answer
    x = 47,204.15

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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.