Home / 48,365.16-72,461.93-20,223.19

Finding the Fourth Proportional to 48,365.16, 72,461.93 and 20,223.19

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Solution

The fourth proportional to 48,365.16, 72,461.93 and 20,223.19 is: 30,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,365.16 : 72,461.93 = 20,223.19 : x
  2. Step 2: Convert to fraction form
    48,365.16/72,461.93 = 20,223.19/x
  3. Step 3: Cross multiply
    48,365.16x = 72,461.93 × 20,223.19
  4. Step 4: Simplify right side
    48,365.16x = 1,465,411,277.04
  5. Step 5: Solve for x
    x = 1,465,411,277.04/48,365.16
  6. Step 6: Final answer
    x = 30,298.91

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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.