Home / 86,521.02-119,407.38-52,521.72

Finding the Fourth Proportional to 86,521.02, 119,407.38 and 52,521.72

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Solution

The fourth proportional to 86,521.02, 119,407.38 and 52,521.72 is: 72,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,521.02 : 119,407.38 = 52,521.72 : x
  2. Step 2: Convert to fraction form
    86,521.02/119,407.38 = 52,521.72/x
  3. Step 3: Cross multiply
    86,521.02x = 119,407.38 × 52,521.72
  4. Step 4: Simplify right side
    86,521.02x = 6,271,480,978.29
  5. Step 5: Solve for x
    x = 6,271,480,978.29/86,521.02
  6. Step 6: Final answer
    x = 72,485.06

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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.