Home / 85,030.10-127,547.25-40,661.54

Finding the Fourth Proportional to 85,030.10, 127,547.25 and 40,661.54

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Solution

The fourth proportional to 85,030.10, 127,547.25 and 40,661.54 is: 60,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030.10 : 127,547.25 = 40,661.54 : x
  2. Step 2: Convert to fraction form
    85,030.10/127,547.25 = 40,661.54/x
  3. Step 3: Cross multiply
    85,030.10x = 127,547.25 × 40,661.54
  4. Step 4: Simplify right side
    85,030.10x = 5,186,267,607.77
  5. Step 5: Solve for x
    x = 5,186,267,607.77/85,030.10
  6. Step 6: Final answer
    x = 60,993.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.