Home / 76,312.48-114,339.12-36,888.16

Finding the Fourth Proportional to 76,312.48, 114,339.12 and 36,888.16

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Solution

The fourth proportional to 76,312.48, 114,339.12 and 36,888.16 is: 55,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312.48 : 114,339.12 = 36,888.16 : x
  2. Step 2: Convert to fraction form
    76,312.48/114,339.12 = 36,888.16/x
  3. Step 3: Cross multiply
    76,312.48x = 114,339.12 × 36,888.16
  4. Step 4: Simplify right side
    76,312.48x = 4,217,759,752.82
  5. Step 5: Solve for x
    x = 4,217,759,752.82/76,312.48
  6. Step 6: Final answer
    x = 55,269.59

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1.5x scale

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.