Home / 91,543.64-126,330.54-51,259.16

Finding the Fourth Proportional to 91,543.64, 126,330.54 and 51,259.16

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Solution

The fourth proportional to 91,543.64, 126,330.54 and 51,259.16 is: 70,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,543.64 : 126,330.54 = 51,259.16 : x
  2. Step 2: Convert to fraction form
    91,543.64/126,330.54 = 51,259.16/x
  3. Step 3: Cross multiply
    91,543.64x = 126,330.54 × 51,259.16
  4. Step 4: Simplify right side
    91,543.64x = 6,475,597,362.75
  5. Step 5: Solve for x
    x = 6,475,597,362.75/91,543.64
  6. Step 6: Final answer
    x = 70,737.82

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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.