Home / 77,030.48-115,506.84-37,528.40

Finding the Fourth Proportional to 77,030.48, 115,506.84 and 37,528.40

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Solution

The fourth proportional to 77,030.48, 115,506.84 and 37,528.40 is: 56,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.48 : 115,506.84 = 37,528.40 : x
  2. Step 2: Convert to fraction form
    77,030.48/115,506.84 = 37,528.40/x
  3. Step 3: Cross multiply
    77,030.48x = 115,506.84 × 37,528.40
  4. Step 4: Simplify right side
    77,030.48x = 4,334,786,894.26
  5. Step 5: Solve for x
    x = 4,334,786,894.26/77,030.48
  6. Step 6: Final answer
    x = 56,273.66

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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.