Home / 93,430.26-128,931.75-50,989.50

Finding the Fourth Proportional to 93,430.26, 128,931.75 and 50,989.50

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Solution

The fourth proportional to 93,430.26, 128,931.75 and 50,989.50 is: 70,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,430.26 : 128,931.75 = 50,989.50 : x
  2. Step 2: Convert to fraction form
    93,430.26/128,931.75 = 50,989.50/x
  3. Step 3: Cross multiply
    93,430.26x = 128,931.75 × 50,989.50
  4. Step 4: Simplify right side
    93,430.26x = 6,574,165,466.63
  5. Step 5: Solve for x
    x = 6,574,165,466.63/93,430.26
  6. Step 6: Final answer
    x = 70,364.41

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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.