Home / 98,550.25-135,999.47-56,108.77

Finding the Fourth Proportional to 98,550.25, 135,999.47 and 56,108.77

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Solution

The fourth proportional to 98,550.25, 135,999.47 and 56,108.77 is: 77,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.25 : 135,999.47 = 56,108.77 : x
  2. Step 2: Convert to fraction form
    98,550.25/135,999.47 = 56,108.77/x
  3. Step 3: Cross multiply
    98,550.25x = 135,999.47 × 56,108.77
  4. Step 4: Simplify right side
    98,550.25x = 7,630,762,782.63
  5. Step 5: Solve for x
    x = 7,630,762,782.63/98,550.25
  6. Step 6: Final answer
    x = 77,430.17

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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.