Home / 77,555.10-116,365.77-37,603.62

Finding the Fourth Proportional to 77,555.10, 116,365.77 and 37,603.62

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Solution

The fourth proportional to 77,555.10, 116,365.77 and 37,603.62 is: 56,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.10 : 116,365.77 = 37,603.62 : x
  2. Step 2: Convert to fraction form
    77,555.10/116,365.77 = 37,603.62/x
  3. Step 3: Cross multiply
    77,555.10x = 116,365.77 × 37,603.62
  4. Step 4: Simplify right side
    77,555.10x = 4,375,774,196.09
  5. Step 5: Solve for x
    x = 4,375,774,196.09/77,555.10
  6. Step 6: Final answer
    x = 56,421.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.