Home / 53,681.48-74,150.16-40,856.76

Finding the Fourth Proportional to 53,681.48, 74,150.16 and 40,856.76

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Solution

The fourth proportional to 53,681.48, 74,150.16 and 40,856.76 is: 56,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.48 : 74,150.16 = 40,856.76 : x
  2. Step 2: Convert to fraction form
    53,681.48/74,150.16 = 40,856.76/x
  3. Step 3: Cross multiply
    53,681.48x = 74,150.16 × 40,856.76
  4. Step 4: Simplify right side
    53,681.48x = 3,029,535,291.08
  5. Step 5: Solve for x
    x = 3,029,535,291.08/53,681.48
  6. Step 6: Final answer
    x = 56,435.39

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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.