Home / 85,681.23-118,283.01-53,867.67

Finding the Fourth Proportional to 85,681.23, 118,283.01 and 53,867.67

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Solution

The fourth proportional to 85,681.23, 118,283.01 and 53,867.67 is: 74,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,681.23 : 118,283.01 = 53,867.67 : x
  2. Step 2: Convert to fraction form
    85,681.23/118,283.01 = 53,867.67/x
  3. Step 3: Cross multiply
    85,681.23x = 118,283.01 × 53,867.67
  4. Step 4: Simplify right side
    85,681.23x = 6,371,630,149.29
  5. Step 5: Solve for x
    x = 6,371,630,149.29/85,681.23
  6. Step 6: Final answer
    x = 74,364.36

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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.