Home / 99,303.14-137,030.18-58,460.78

Finding the Fourth Proportional to 99,303.14, 137,030.18 and 58,460.78

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Solution

The fourth proportional to 99,303.14, 137,030.18 and 58,460.78 is: 80,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303.14 : 137,030.18 = 58,460.78 : x
  2. Step 2: Convert to fraction form
    99,303.14/137,030.18 = 58,460.78/x
  3. Step 3: Cross multiply
    99,303.14x = 137,030.18 × 58,460.78
  4. Step 4: Simplify right side
    99,303.14x = 8,010,891,206.34
  5. Step 5: Solve for x
    x = 8,010,891,206.34/99,303.14
  6. Step 6: Final answer
    x = 80,671.08

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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.