Home / 83,328.12-114,993.18-45,602.28

Finding the Fourth Proportional to 83,328.12, 114,993.18 and 45,602.28

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Solution

The fourth proportional to 83,328.12, 114,993.18 and 45,602.28 is: 62,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328.12 : 114,993.18 = 45,602.28 : x
  2. Step 2: Convert to fraction form
    83,328.12/114,993.18 = 45,602.28/x
  3. Step 3: Cross multiply
    83,328.12x = 114,993.18 × 45,602.28
  4. Step 4: Simplify right side
    83,328.12x = 5,243,951,192.45
  5. Step 5: Solve for x
    x = 5,243,951,192.45/83,328.12
  6. Step 6: Final answer
    x = 62,931.35

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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.