Home / 53,666.16-74,055.56-29,790.96

Finding the Fourth Proportional to 53,666.16, 74,055.56 and 29,790.96

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Solution

The fourth proportional to 53,666.16, 74,055.56 and 29,790.96 is: 41,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.16 : 74,055.56 = 29,790.96 : x
  2. Step 2: Convert to fraction form
    53,666.16/74,055.56 = 29,790.96/x
  3. Step 3: Cross multiply
    53,666.16x = 74,055.56 × 29,790.96
  4. Step 4: Simplify right side
    53,666.16x = 2,206,186,225.74
  5. Step 5: Solve for x
    x = 2,206,186,225.74/53,666.16
  6. Step 6: Final answer
    x = 41,109.45

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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.