Home / 97,013.16-133,876.18-56,750.76

Finding the Fourth Proportional to 97,013.16, 133,876.18 and 56,750.76

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Solution

The fourth proportional to 97,013.16, 133,876.18 and 56,750.76 is: 78,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,013.16 : 133,876.18 = 56,750.76 : x
  2. Step 2: Convert to fraction form
    97,013.16/133,876.18 = 56,750.76/x
  3. Step 3: Cross multiply
    97,013.16x = 133,876.18 × 56,750.76
  4. Step 4: Simplify right side
    97,013.16x = 7,597,574,960.90
  5. Step 5: Solve for x
    x = 7,597,574,960.90/97,013.16
  6. Step 6: Final answer
    x = 78,314.89

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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.