Home / 91,113.04-125,693.13-59,270.32

Finding the Fourth Proportional to 91,113.04, 125,693.13 and 59,270.32

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Solution

The fourth proportional to 91,113.04, 125,693.13 and 59,270.32 is: 81,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,113.04 : 125,693.13 = 59,270.32 : x
  2. Step 2: Convert to fraction form
    91,113.04/125,693.13 = 59,270.32/x
  3. Step 3: Cross multiply
    91,113.04x = 125,693.13 × 59,270.32
  4. Step 4: Simplify right side
    91,113.04x = 7,449,872,036.90
  5. Step 5: Solve for x
    x = 7,449,872,036.90/91,113.04
  6. Step 6: Final answer
    x = 81,765.16

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1.5x scale

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.