Home / 74,223.63-102,417.48-42,385.77

Finding the Fourth Proportional to 74,223.63, 102,417.48 and 42,385.77

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Solution

The fourth proportional to 74,223.63, 102,417.48 and 42,385.77 is: 58,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.63 : 102,417.48 = 42,385.77 : x
  2. Step 2: Convert to fraction form
    74,223.63/102,417.48 = 42,385.77/x
  3. Step 3: Cross multiply
    74,223.63x = 102,417.48 × 42,385.77
  4. Step 4: Simplify right side
    74,223.63x = 4,341,043,751.26
  5. Step 5: Solve for x
    x = 4,341,043,751.26/74,223.63
  6. Step 6: Final answer
    x = 58,486.01

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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.