Home / 74,272.37-102,535.69-57,364.13

Finding the Fourth Proportional to 74,272.37, 102,535.69 and 57,364.13

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Solution

The fourth proportional to 74,272.37, 102,535.69 and 57,364.13 is: 79,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,272.37 : 102,535.69 = 57,364.13 : x
  2. Step 2: Convert to fraction form
    74,272.37/102,535.69 = 57,364.13/x
  3. Step 3: Cross multiply
    74,272.37x = 102,535.69 × 57,364.13
  4. Step 4: Simplify right side
    74,272.37x = 5,881,869,994.71
  5. Step 5: Solve for x
    x = 5,881,869,994.71/74,272.37
  6. Step 6: Final answer
    x = 79,193.25

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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.