Home / 85,064.02-127,643.02-35,132.50

Finding the Fourth Proportional to 85,064.02, 127,643.02 and 35,132.50

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Solution

The fourth proportional to 85,064.02, 127,643.02 and 35,132.50 is: 52,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.02 : 127,643.02 = 35,132.50 : x
  2. Step 2: Convert to fraction form
    85,064.02/127,643.02 = 35,132.50/x
  3. Step 3: Cross multiply
    85,064.02x = 127,643.02 × 35,132.50
  4. Step 4: Simplify right side
    85,064.02x = 4,484,418,400.15
  5. Step 5: Solve for x
    x = 4,484,418,400.15/85,064.02
  6. Step 6: Final answer
    x = 52,718.16

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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.