Home / 65,325.11-90,146.10-37,030.19

Finding the Fourth Proportional to 65,325.11, 90,146.10 and 37,030.19

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Solution

The fourth proportional to 65,325.11, 90,146.10 and 37,030.19 is: 51,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,325.11 : 90,146.10 = 37,030.19 : x
  2. Step 2: Convert to fraction form
    65,325.11/90,146.10 = 37,030.19/x
  3. Step 3: Cross multiply
    65,325.11x = 90,146.10 × 37,030.19
  4. Step 4: Simplify right side
    65,325.11x = 3,338,127,210.76
  5. Step 5: Solve for x
    x = 3,338,127,210.76/65,325.11
  6. Step 6: Final answer
    x = 51,100.22

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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.