Home / 62,317.49-85,973.55-38,402.51

Finding the Fourth Proportional to 62,317.49, 85,973.55 and 38,402.51

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Solution

The fourth proportional to 62,317.49, 85,973.55 and 38,402.51 is: 52,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,317.49 : 85,973.55 = 38,402.51 : x
  2. Step 2: Convert to fraction form
    62,317.49/85,973.55 = 38,402.51/x
  3. Step 3: Cross multiply
    62,317.49x = 85,973.55 × 38,402.51
  4. Step 4: Simplify right side
    62,317.49x = 3,301,600,113.61
  5. Step 5: Solve for x
    x = 3,301,600,113.61/62,317.49
  6. Step 6: Final answer
    x = 52,980.31

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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.