Home / 52,437.15-72,362.64-28,563.81

Finding the Fourth Proportional to 52,437.15, 72,362.64 and 28,563.81

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Solution

The fourth proportional to 52,437.15, 72,362.64 and 28,563.81 is: 39,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,437.15 : 72,362.64 = 28,563.81 : x
  2. Step 2: Convert to fraction form
    52,437.15/72,362.64 = 28,563.81/x
  3. Step 3: Cross multiply
    52,437.15x = 72,362.64 × 28,563.81
  4. Step 4: Simplify right side
    52,437.15x = 2,066,952,700.06
  5. Step 5: Solve for x
    x = 2,066,952,700.06/52,437.15
  6. Step 6: Final answer
    x = 39,417.72

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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.