Home / 86,886.24-119,875.14-48,640.16

Finding the Fourth Proportional to 86,886.24, 119,875.14 and 48,640.16

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Solution

The fourth proportional to 86,886.24, 119,875.14 and 48,640.16 is: 67,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886.24 : 119,875.14 = 48,640.16 : x
  2. Step 2: Convert to fraction form
    86,886.24/119,875.14 = 48,640.16/x
  3. Step 3: Cross multiply
    86,886.24x = 119,875.14 × 48,640.16
  4. Step 4: Simplify right side
    86,886.24x = 5,830,746,289.31
  5. Step 5: Solve for x
    x = 5,830,746,289.31/86,886.24
  6. Step 6: Final answer
    x = 67,107.82

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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.