Home / 83,412.16-115,117.06-47,607.58

Finding the Fourth Proportional to 83,412.16, 115,117.06 and 47,607.58

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Solution

The fourth proportional to 83,412.16, 115,117.06 and 47,607.58 is: 65,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412.16 : 115,117.06 = 47,607.58 : x
  2. Step 2: Convert to fraction form
    83,412.16/115,117.06 = 47,607.58/x
  3. Step 3: Cross multiply
    83,412.16x = 115,117.06 × 47,607.58
  4. Step 4: Simplify right side
    83,412.16x = 5,480,444,643.31
  5. Step 5: Solve for x
    x = 5,480,444,643.31/83,412.16
  6. Step 6: Final answer
    x = 65,703.19

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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.