Home / 91,700.39-126,543.63-51,416.46

Finding the Fourth Proportional to 91,700.39, 126,543.63 and 51,416.46

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Solution

The fourth proportional to 91,700.39, 126,543.63 and 51,416.46 is: 70,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.39 : 126,543.63 = 51,416.46 : x
  2. Step 2: Convert to fraction form
    91,700.39/126,543.63 = 51,416.46/x
  3. Step 3: Cross multiply
    91,700.39x = 126,543.63 × 51,416.46
  4. Step 4: Simplify right side
    91,700.39x = 6,506,425,490.15
  5. Step 5: Solve for x
    x = 6,506,425,490.15/91,700.39
  6. Step 6: Final answer
    x = 70,953.08

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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.