Home / 62,805.15-86,670.12-34,510.23

Finding the Fourth Proportional to 62,805.15, 86,670.12 and 34,510.23

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Solution

The fourth proportional to 62,805.15, 86,670.12 and 34,510.23 is: 47,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.15 : 86,670.12 = 34,510.23 : x
  2. Step 2: Convert to fraction form
    62,805.15/86,670.12 = 34,510.23/x
  3. Step 3: Cross multiply
    62,805.15x = 86,670.12 × 34,510.23
  4. Step 4: Simplify right side
    62,805.15x = 2,991,005,904.74
  5. Step 5: Solve for x
    x = 2,991,005,904.74/62,805.15
  6. Step 6: Final answer
    x = 47,623.58

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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.