Home / 48,078.16-72,117.24-13,017.81

Finding the Fourth Proportional to 48,078.16, 72,117.24 and 13,017.81

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Solution

The fourth proportional to 48,078.16, 72,117.24 and 13,017.81 is: 19,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,078.16 : 72,117.24 = 13,017.81 : x
  2. Step 2: Convert to fraction form
    48,078.16/72,117.24 = 13,017.81/x
  3. Step 3: Cross multiply
    48,078.16x = 72,117.24 × 13,017.81
  4. Step 4: Simplify right side
    48,078.16x = 938,808,749.67
  5. Step 5: Solve for x
    x = 938,808,749.67/48,078.16
  6. Step 6: Final answer
    x = 19,526.72

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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.