Home / 74,574.47-102,913.20-40,583.22

Finding the Fourth Proportional to 74,574.47, 102,913.20 and 40,583.22

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Solution

The fourth proportional to 74,574.47, 102,913.20 and 40,583.22 is: 56,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.47 : 102,913.20 = 40,583.22 : x
  2. Step 2: Convert to fraction form
    74,574.47/102,913.20 = 40,583.22/x
  3. Step 3: Cross multiply
    74,574.47x = 102,913.20 × 40,583.22
  4. Step 4: Simplify right side
    74,574.47x = 4,176,549,036.50
  5. Step 5: Solve for x
    x = 4,176,549,036.50/74,574.47
  6. Step 6: Final answer
    x = 56,005.08

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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.