Home / 104,001.02-155,695.34-64,430.90

Finding the Fourth Proportional to 104,001.02, 155,695.34 and 64,430.90

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Solution

The fourth proportional to 104,001.02, 155,695.34 and 64,430.90 is: 96,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.02 : 155,695.34 = 64,430.90 : x
  2. Step 2: Convert to fraction form
    104,001.02/155,695.34 = 64,430.90/x
  3. Step 3: Cross multiply
    104,001.02x = 155,695.34 × 64,430.90
  4. Step 4: Simplify right side
    104,001.02x = 10,031,590,264.61
  5. Step 5: Solve for x
    x = 10,031,590,264.61/104,001.02
  6. Step 6: Final answer
    x = 96,456.66

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1.5x scale

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.