Home / 53,960.64-74,465.76-31,303.92

Finding the Fourth Proportional to 53,960.64, 74,465.76 and 31,303.92

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Solution

The fourth proportional to 53,960.64, 74,465.76 and 31,303.92 is: 43,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.64 : 74,465.76 = 31,303.92 : x
  2. Step 2: Convert to fraction form
    53,960.64/74,465.76 = 31,303.92/x
  3. Step 3: Cross multiply
    53,960.64x = 74,465.76 × 31,303.92
  4. Step 4: Simplify right side
    53,960.64x = 2,331,070,193.78
  5. Step 5: Solve for x
    x = 2,331,070,193.78/53,960.64
  6. Step 6: Final answer
    x = 43,199.45

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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.