Home / 78,492.36-108,316.16-44,503.13

Finding the Fourth Proportional to 78,492.36, 108,316.16 and 44,503.13

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Solution

The fourth proportional to 78,492.36, 108,316.16 and 44,503.13 is: 61,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,492.36 : 108,316.16 = 44,503.13 : x
  2. Step 2: Convert to fraction form
    78,492.36/108,316.16 = 44,503.13/x
  3. Step 3: Cross multiply
    78,492.36x = 108,316.16 × 44,503.13
  4. Step 4: Simplify right side
    78,492.36x = 4,820,408,149.58
  5. Step 5: Solve for x
    x = 4,820,408,149.58/78,492.36
  6. Step 6: Final answer
    x = 61,412.45

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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.