Home / 99,278.30-136,948.56-61,011.24

Finding the Fourth Proportional to 99,278.30, 136,948.56 and 61,011.24

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Solution

The fourth proportional to 99,278.30, 136,948.56 and 61,011.24 is: 84,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.30 : 136,948.56 = 61,011.24 : x
  2. Step 2: Convert to fraction form
    99,278.30/136,948.56 = 61,011.24/x
  3. Step 3: Cross multiply
    99,278.30x = 136,948.56 × 61,011.24
  4. Step 4: Simplify right side
    99,278.30x = 8,355,401,461.81
  5. Step 5: Solve for x
    x = 8,355,401,461.81/99,278.30
  6. Step 6: Final answer
    x = 84,161.41

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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.