Home / 45,870.80-68,778.77-15,875.19

Finding the Fourth Proportional to 45,870.80, 68,778.77 and 15,875.19

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Solution

The fourth proportional to 45,870.80, 68,778.77 and 15,875.19 is: 23,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870.80 : 68,778.77 = 15,875.19 : x
  2. Step 2: Convert to fraction form
    45,870.80/68,778.77 = 15,875.19/x
  3. Step 3: Cross multiply
    45,870.80x = 68,778.77 × 15,875.19
  4. Step 4: Simplify right side
    45,870.80x = 1,091,875,962.34
  5. Step 5: Solve for x
    x = 1,091,875,962.34/45,870.80
  6. Step 6: Final answer
    x = 23,803.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.