Home / 53,434.14-79,756.58-47,130.59

Finding the Fourth Proportional to 53,434.14, 79,756.58 and 47,130.59

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Solution

The fourth proportional to 53,434.14, 79,756.58 and 47,130.59 is: 70,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.14 : 79,756.58 = 47,130.59 : x
  2. Step 2: Convert to fraction form
    53,434.14/79,756.58 = 47,130.59/x
  3. Step 3: Cross multiply
    53,434.14x = 79,756.58 × 47,130.59
  4. Step 4: Simplify right side
    53,434.14x = 3,758,974,671.78
  5. Step 5: Solve for x
    x = 3,758,974,671.78/53,434.14
  6. Step 6: Final answer
    x = 70,347.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.