Home / 99,586.45-149,298.52-46,312.04

Finding the Fourth Proportional to 99,586.45, 149,298.52 and 46,312.04

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Solution

The fourth proportional to 99,586.45, 149,298.52 and 46,312.04 is: 69,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,586.45 : 149,298.52 = 46,312.04 : x
  2. Step 2: Convert to fraction form
    99,586.45/149,298.52 = 46,312.04/x
  3. Step 3: Cross multiply
    99,586.45x = 149,298.52 × 46,312.04
  4. Step 4: Simplify right side
    99,586.45x = 6,914,319,030.18
  5. Step 5: Solve for x
    x = 6,914,319,030.18/99,586.45
  6. Step 6: Final answer
    x = 69,430.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.