Home / 85,277.18-117,681.01-47,040.21

Finding the Fourth Proportional to 85,277.18, 117,681.01 and 47,040.21

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Solution

The fourth proportional to 85,277.18, 117,681.01 and 47,040.21 is: 64,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.18 : 117,681.01 = 47,040.21 : x
  2. Step 2: Convert to fraction form
    85,277.18/117,681.01 = 47,040.21/x
  3. Step 3: Cross multiply
    85,277.18x = 117,681.01 × 47,040.21
  4. Step 4: Simplify right side
    85,277.18x = 5,535,739,305.81
  5. Step 5: Solve for x
    x = 5,535,739,305.81/85,277.18
  6. Step 6: Final answer
    x = 64,914.66

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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.