Home / 91,266.32-125,875.12-55,455.60

Finding the Fourth Proportional to 91,266.32, 125,875.12 and 55,455.60

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Solution

The fourth proportional to 91,266.32, 125,875.12 and 55,455.60 is: 76,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,266.32 : 125,875.12 = 55,455.60 : x
  2. Step 2: Convert to fraction form
    91,266.32/125,875.12 = 55,455.60/x
  3. Step 3: Cross multiply
    91,266.32x = 125,875.12 × 55,455.60
  4. Step 4: Simplify right side
    91,266.32x = 6,980,480,304.67
  5. Step 5: Solve for x
    x = 6,980,480,304.67/91,266.32
  6. Step 6: Final answer
    x = 76,484.74

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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.