Home / 86,255.02-119,031.93-48,013.75

Finding the Fourth Proportional to 86,255.02, 119,031.93 and 48,013.75

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Solution

The fourth proportional to 86,255.02, 119,031.93 and 48,013.75 is: 66,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,255.02 : 119,031.93 = 48,013.75 : x
  2. Step 2: Convert to fraction form
    86,255.02/119,031.93 = 48,013.75/x
  3. Step 3: Cross multiply
    86,255.02x = 119,031.93 × 48,013.75
  4. Step 4: Simplify right side
    86,255.02x = 5,715,169,329.04
  5. Step 5: Solve for x
    x = 5,715,169,329.04/86,255.02
  6. Step 6: Final answer
    x = 66,258.98

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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.